0.1(20-10x)=2-(2x+9)

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Solution for 0.1(20-10x)=2-(2x+9) equation:


Simplifying
0.1(20 + -10x) = 2 + -1(2x + 9)
(20 * 0.1 + -10x * 0.1) = 2 + -1(2x + 9)
(2 + -1x) = 2 + -1(2x + 9)

Reorder the terms:
2 + -1x = 2 + -1(9 + 2x)
2 + -1x = 2 + (9 * -1 + 2x * -1)
2 + -1x = 2 + (-9 + -2x)

Combine like terms: 2 + -9 = -7
2 + -1x = -7 + -2x

Solving
2 + -1x = -7 + -2x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '2x' to each side of the equation.
2 + -1x + 2x = -7 + -2x + 2x

Combine like terms: -1x + 2x = 1x
2 + 1x = -7 + -2x + 2x

Combine like terms: -2x + 2x = 0
2 + 1x = -7 + 0
2 + 1x = -7

Add '-2' to each side of the equation.
2 + -2 + 1x = -7 + -2

Combine like terms: 2 + -2 = 0
0 + 1x = -7 + -2
1x = -7 + -2

Combine like terms: -7 + -2 = -9
1x = -9

Divide each side by '1'.
x = -9

Simplifying
x = -9

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